Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 143,412
Machines for Making Metal Screws
Patentee:
Napoleon C. Hubbell (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
29/48.5R, 408/36, 408/67, 470/58, 470/66

Tool Categories:
metalworking machines : screw machines

Assignees:
John Johnson - Hartford, Hartford County, CT
Amos Whitney - Hartford, Hartford County, CT
Andrus Corban - Plainfield, Union County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 02, 1873
Granted: Oct. 07, 1873

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP